Home / 20,176,845.17-30,265,068.31-9,243,933.65

Finding the Fourth Proportional to 20,176,845.17, 30,265,068.31 and 9,243,933.65

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Solution

The fourth proportional to 20,176,845.17, 30,265,068.31 and 9,243,933.65 is: 13,865,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,845.17 : 30,265,068.31 = 9,243,933.65 : x
  2. Step 2: Convert to fraction form
    20,176,845.17/30,265,068.31 = 9,243,933.65/x
  3. Step 3: Cross multiply
    20,176,845.17x = 30,265,068.31 × 9,243,933.65
  4. Step 4: Simplify right side
    20,176,845.17x = 279,768,283,347,247.81
  5. Step 5: Solve for x
    x = 279,768,283,347,247.81/20,176,845.17
  6. Step 6: Final answer
    x = 13,865,809.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.